Merge "Test creating multiple volumes from image simultaneously"
diff --git a/cinder_tempest_plugin/api/volume/test_create_from_image.py b/cinder_tempest_plugin/api/volume/test_create_from_image.py
new file mode 100644
index 0000000..12e6c8e
--- /dev/null
+++ b/cinder_tempest_plugin/api/volume/test_create_from_image.py
@@ -0,0 +1,77 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.common import waiters
+from tempest import config
+from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
+
+from cinder_tempest_plugin.api.volume import base
+
+CONF = config.CONF
+
+
+class VolumeFromImageTest(base.BaseVolumeTest):
+
+    @classmethod
+    def skip_checks(cls):
+        super(VolumeFromImageTest, cls).skip_checks()
+
+    @classmethod
+    def create_volume_no_wait(cls, **kwargs):
+        """Returns a test volume.
+
+        This does not wait for volume creation to finish,
+        so that multiple operations can happen on the
+        Cinder server in parallel.
+        """
+        if 'size' not in kwargs:
+            kwargs['size'] = CONF.volume.volume_size
+
+        if 'imageRef' in kwargs:
+            image = cls.os_primary.image_client_v2.show_image(
+                kwargs['imageRef'])
+            min_disk = image['min_disk']
+            kwargs['size'] = max(kwargs['size'], min_disk)
+
+        if 'name' not in kwargs:
+            name = data_utils.rand_name(cls.__name__ + '-Volume')
+            kwargs['name'] = name
+
+        volume = cls.volumes_client.create_volume(**kwargs)['volume']
+        cls.addClassResourceCleanup(
+            cls.volumes_client.wait_for_resource_deletion, volume['id'])
+        cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
+                                    cls.volumes_client.delete_volume,
+                                    volume['id'])
+
+        return volume
+
+    @decorators.idempotent_id('8976a11b-1ddc-49b6-b66f-8c26adf3fa9e')
+    def test_create_from_image_multiple(self):
+        """Create a handful of volumes from the same image at once.
+
+        The purpose of this test is to stress volume drivers,
+        image download, the image cache, etc., within Cinder.
+        """
+
+        img_uuid = CONF.compute.image_ref
+
+        vols = []
+        for v in range(0, 5):
+            vols.append(self.create_volume_no_wait(imageRef=img_uuid))
+
+        for v in vols:
+            waiters.wait_for_volume_resource_status(self.volumes_client,
+                                                    v['id'],
+                                                    'available')